Chosen at random from all the resources listed:
- Systems Thinking, Systems Practice (30 Year Retrospective) by Peter B. Checkland
- Soft Systems Methodology in Action by Jim Scholes, Peter B. Checkland
- T551_1 Systems Thinking and Practice by -- Uknown -- -- Uknown --
- Advanced Systems Thinking, Engineering, and Management by Derek K. Hitchins
- Systems Thinking : Managing Chaos and Complexity by Jamshid Gharajedaghi